Giecy Portable Voice Amplifier, 30W 2800mAh Bluetooth Rechargeable Personal Voice Amplifier with Microphone Headset, Power Amplifier for Multiple Locations Classroom, Meetings and Outdoors

【Voice Amplifier】 - The perfect solution for when you struggle to speak loudly enough, the personal Voice Amplifier is here to save your throat. With a power output of 30W, it delivers clear and soft sound that can cover an impressive area of about 20,000 sq.ft (1000 ㎡), making it ideal for large rooms or outdoor settings., 【Bluetooth Voice Amplifier】 - Not just an amplifier, this device also doubles as a portable Bluetooth speaker. Stream your favorite music wirelessly from any Bluetooth-enabled mobile device, with a range of up to 33 feet. Now you can enjoy your tunes while enjoying the benefits of amplified voice projection., 【Voice Amplifier for Teachers】 - Equipped with a microphone headset, this portable Bluetooth Amplifier is perfect for teachers, speakers, or anyone addressing a large group. Take it with you to classrooms, outdoor events, or bingo games, and speak confidently to audiences of 100 or more members., 【Rechargeable Voice Amplifier】 - Say goodbye to constantly buying batteries. This voice amplifier comes with a built-in 2800mAh lithium battery, which can be fully charged in just 3-5 hours. Enjoy up to 12-15 hours of amplification time or up to 8 hours of music playback on a single charge., 【Supports Music Playing】 - Insert your TF (Micro SD) card or connect a USB flash drive to easily play your favorite tunes. You have full control over the music playback, with options to repeat a single tune, loop all music, and switch between songs. Additionally, you can use it as a wired speaker by connecting it directly to an audio source.